A breakdown of the 760 companies running Acumbamail.
Top industries
Professional and business services155
Information technology and services87
Education and training65
Art, sports and recreation51
Hospitality and travel46
Retail trade44
Media and telecommunications35
Financial services28
No industry recorded: 100
Company size
1–10173 (50%)
11–5091 (26%)
51–25041 (12%)
251–50010 (3%)
501–1,0006 (2%)
1,001–5,00017 (5%)
5,001–10,0004 (1%)
10,001+4 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 414
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Frequently asked questions
About the Acumbamail data on this page.
How many companies use Acumbamail?
Firmable holds confirmed Acumbamail detections for 760 distinct companies, 697 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Acumbamail?
Enstall, Hasc Center, Inc. and Avantio are among the most prominent in the current set.
What industries use Acumbamail?
Professional and business services, information technology and services and education and training lead the set, across 19 industries in total.
What size companies use Acumbamail?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Acumbamail users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
697 companies were confirmed in the last 90 days. Last detection 13 October 2026.
